+245 · UTC+0

Best Time to Call
Guinea-Bissau
from the United States

Guinea-Bissau's +245 code covers a West African market served primarily by Orange and MTN. From the US East Coast, business hours in Guinea-Bissau fall between 4:00 AM and 12:00 PM EST.

Best EST: 4:00 AM – 12:00 PM
Mon–Fri
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// Best Time to Call

When to Call Guinea-Bissau

A 9-to-5 day in Bissau and one in New York share 3 hours: 9:00 AM–12:00 PM ET.

Ideal

Morning

local

EST (UTC−5)
PST (UTC−8)
Ideal

Afternoon

local

EST (UTC−5)
PST (UTC−8)
Avoid

Avoid

local

EST (UTC−5)
PST (UTC−8)
Guinea-Bissau Business Hours → US Time Zones
Local TimeUTCEST / New YorkCST / ChicagoPST / LA

US columns use standard time (EST/CST/PST); between the second Sunday in March and the first Sunday in November, US clocks are one hour later.

// Calling Guide

How to call Guinea-Bissau — the short version.

Dialing steps

  1. 1Dial your exit code — 011 from the US and Canada, 00 from most of Europe.
  2. 2Add the Guinea-Bissau country code: +245.
  3. 3Enter the national number. If it's written with a domestic trunk prefix (often a leading 0), that prefix is usually dropped after the country code.

Best time to call

  • 9:00 AM – 5:00 PM in Bissau is 4:00 AM – 12:00 PM EST.
  • A 9-to-5 day in Bissau and one in New York share 3 hours: 9:00 AM–12:00 PM ET.

Quick tips

  • Working days: Mon–Fri.
// Calling Etiquette

Calling etiquette in Guinea-Bissau

Calling culture

Business culture in Guinea-Bissau, conducted largely in Portuguese, values courtesy and relationship-building before business matters.

Working week

Mon–Fri.

Free tools

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Frequently Asked

Calling Guinea-Bissau — Common Questions

Everything you need to know about reaching contacts in Guinea-Bissau.

Calls outside local business hours in Guinea-Bissau are less likely to be answered live, but Rozper's AI receptionist and voicemail-to-text still capture the call and notify your team immediately — so you're not limited to the 4:00 AM–12:00 PM EST overlap.

A recognizable local number helps build trust with consumers in Guinea-Bissau's relationship-driven business environment.

Ready to call Guinea-Bissau?

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